Airpush and similar notification spammers, your days are numbered. The people have spoken - everyone universally hates these types of ads, and Google actually listened to our numerous complaints.
In Jelly Bean, you can not only figure out exactly which app caused a notification by long-pressing it and selecting App Info - you can actually disable notifications on a per-app basis altogether. That, my friends, is not just a slap in Airpush's face - it's a swift kick in its private parts.
This is exactly how it's done, in case you wanted a demonstration: